.w {
    width: 80%;
    max-width: 1365px;
    margin:  0 auto;
}
.warpBox {
    min-height: 100vh;
    background-repeat: repeat-y;
    background-size: 100%;
    background-image: url(../images/img/about_bg.png);
    padding-bottom: 9.2857rem;
}
.content_1 {
    padding-top: 2.5rem;
    font-size: 16px;
    line-height: 18px;
    font-weight: bold;
    color: #212121;
}
.content_2 {
    justify-content: space-between;
    position: relative;
    margin-top: 2.8rem;
}
.content_2 img {
    width: 100%;
    display: block;
}
.content_2 .item {
    max-width: 32%;
    position: relative;
    border: 1px solid #212121;
}
.content_2 .content {
    width: 100%;
    border-top: 0;
    font-size: 1.5714rem;
    font-weight: 1.8571rem;
    padding: 1.4286rem 2.1429rem;
    background-color: #fff;
}
.content_2 .content p:nth-of-type(2) {
    font-size: 1.1429rem;
    line-height: 2rem;
    color: #579dd2;
}
@media (max-width:1000px) {
    .warpBox {
        height: auto;
        min-height: auto !important;
    }
}